Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press Up, X, Left, Circle during game play. A message will confirm correct code entry. You will have unlimited weapons, health, turbo, and energy.
Mega machine guns
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press X(2), Triangle during game play. A message will confirm correct code entry.
One hit kills
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press X(2), Up during game play. A message will confirm correct code entry.
Weapons for health
Set the control option to "Classic". Hold L1 + R1 + L2 + R2 and quickly press Triangle, X, Square, Circle during game play. A message will confirm correct code entry.